210121020122022 has 24 divisors (see below), whose sum is σ = 459769756904640. Its totient is φ = 69346871326800.

The previous prime is 210121020122017. The next prime is 210121020122089. The reversal of 210121020122022 is 220221020121012.

It is a happy number.

210121020122022 is a `hidden beast` number, since 2 + 10 + 1 + 210 + 201 + 220 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210121020121986 and 210121020122004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57789057622 + ... + 57789061257.

It is an arithmetic number, because the mean of its divisors is an integer number (19157073204360).

Almost surely, 2^{210121020122022} is an apocalyptic number.

210121020122022 is an abundant number, since it is smaller than the sum of its proper divisors (249648736782618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210121020122022 is a wasteful number, since it uses less digits than its factorization.

210121020122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115578118988 (or 115578118985 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210121020122022 its reverse (220221020121012), we get a palindrome (430342040243034).

The spelling of 210121020122022 in words is "two hundred ten trillion, one hundred twenty-one billion, twenty million, one hundred twenty-two thousand, twenty-two".